Johnson, Wendy https://orcid.org/0000-0002-7309-1447
Hahn, Elisabeth
Gottschling, Juliana
Lenau, Franziska
Spinath, Frank M.
McGue, Matt
Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (610/6-1)
Article History
Received: 11 December 2017
Accepted: 8 November 2018
First Online: 29 November 2018
Compliance with ethical standards
:
: Wendy Johnson, Elisabeth Hahn, Juliana Gottschling, Franziska Lenau, Frank M. Spinath, and Matt McGue declare that they have no conflicts of interest.
: TwinLife received ethical approval from the German Research Foundation. MTFS received ethical approval from the University of Minnesota Institutional Review Board.
: Adult participants gave fully informed consent for themselves and their underage participating children, and participating underage children gave fully informed assent.